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jit_state: Hide cpsr implementation

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This commit is contained in:
MerryMage 2017-12-02 13:55:04 +00:00
parent a4e85ad565
commit 6adc554b53
8 changed files with 87 additions and 37 deletions
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38
src/backend_x64/jitstate.cpp
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@ -14,6 +14,44 @@
namespace Dynarmic {
namespace BackendX64 {
/**
* CPSR Bits
* =========
*
* ARM CPSR flags
* --------------
* N bit 31 Negative flag
* Z bit 30 Zero flag
* C bit 29 Carry flag
* V bit 28 oVerflow flag
* Q bit 27 Saturation flag
* J bit 24 Jazelle instruction set flag
* GE bits 16-19 Greater than or Equal flags
* E bit 9 Data Endianness flag
* A bit 8 Disable imprecise Aborts
* I bit 7 Disable IRQ interrupts
* F bit 6 Disable FIQ interrupts
* T bit 5 Thumb instruction set flag
* M bits 0-4 Processor Mode bits
*
* x64 LAHF+SETO flags
* -------------------
* SF bit 15 Sign flag
* ZF bit 14 Zero flag
* AF bit 12 Auxiliary flag
* PF bit 10 Parity flag
* CF bit 8 Carry flag
* OF bit 0 Overflow flag
*/
u32 JitState::Cpsr() const {
return CPSR;
}
void JitState::SetCpsr(u32 cpsr) {
CPSR = cpsr;
}
void JitState::ResetRSB() {
rsb_location_descriptors.fill(0xFFFFFFFFFFFFFFFFull);
rsb_codeptrs.fill(0);